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*1····· Initial replacement of the engine oil is after one month or 20 hours of operation.
*2····· The air filter element needs to be replaced more frequently when using in unusually wet or
dusty areas.
····· Since these items require special tools, data and technical skills, have a Yamaha dealer per-
form the service.
Item Routine
Pre-
operation
check
Every
6 months
or 100 Hr
12 months
or 300 Hr
Fuel strainer • Clean and replace if necessary.
1
Crankcase breather
hose
• Check breather hose for cracks or
damage.
• Replace if necessary.
1
Cylinder head
• Decarbonize cylinder head.
• More frequently if necessary.
After every 500 Hrs.
Valve clearance • Check and adjust when engine is cold.
Idle speed • Check and adjust idle speed.
Recoil starter • Check recoil starter for damage.
Fittings/fasteners
• Check all fittings and fasteners.
• Correct if necessary.
The point where abnormality was recognized by use.
1
7P6-F8199-13.indd 32 2019/12/11 9:57:27
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